Rough rounder and channeling machine



Oct. 9 1923. 1,470,033

L. E. JOHNSON ROUGH ROUNDER AND CHANNELING MACHINE Inventor:LawrenEJohnsom,

L. E. JCHNSON ROUGH ROUNDER AND.CHANNEL4ING MACHINE Filed sep't. 22 19225 sheets-sheet 5 Ilwnlw" f @1 f J1 E'awrenceE Johnson,

Patented Oct. 9, 1923.

UNITEDSTAT ssrArsNr ,fol-"Flcr..

LAWRENCE E. JOHNSON, or MELROSE, MASsACHuSETTs, ASSIGNOR To -viCToR SHOEMACHINERY Co. or 1919, OE LYNN, MASSACHUSETTS, A CORPORATION OE MASSA-'GHUSETTS ROUGH ROUNDER AND CHANNELING MACHINE.

Applicationiled September 2,2, l1922. Serial-No. 589,902.

To @ZZ whom t may concern: Y y Be it known .that I, LAWRENCE E; JOHN-SON, a citizen of the United States Vof nierica and a resident of-Melrose, in the 5 county of Middlesex and State of Massachusetts, haveinvented certain new and useful improvements in Rough Founders andChanneling Machines, of which the following is a specification. l

This invention relates to rough rounders and channeling machines to beusedin the manufacture of boots and shoes and is an improvement on themachineshown and described in U. S. Patent No. 1,149,369, issued to ineAugust l0, 1915.` y

The niainobj ect of the present invention is to provide mechanismwhereby the knife supporting block may be held in firm contact withI theVwork during ,eertain operaduring other operations.

T he invention consists in cam actuated mechanism which willautomatically vary ment of parts which will bel understoodV readily byreference tothe description of the Se drawings and to the claims to behereinafter gi ven.

For the. purpose of illustrating the inven-A tion, one preferred formthereof is shown in the drawings, this formv having beeny foundl to givesatisfactory and reliable results, although itis to be understoodtliatthevarinus instrumentalities of whichv the.- invention consists canbe variously arranged and organized, and that vthe-invei'ition isnotlimited to the precise arrangement and OrganizfzatioiiY of theinstrumentalities asfj herein shown and. described, except as requiredby the scope ofthe appended claims.A @f lthe drawings: s-

so Fig-ure l' represents a front 'elevation of a tions ofthe machine,`and in light Contact machine embodying lthe principles of the presentinvention. i .Figure 2represents a side elevation of the same.

represents plan of Saidrma- 1 Figure 4:-represents a detail in elevationof a portion ofthe afterk referred to.' K Y Figure v5 represents a rearelevation of the work support.

of saine on line 6, 6 on Fig.- 5, and

Figure 7 represents 'a rear elevation of Va feeding member adaptedto besubstituted for the channeling .knife when the machine machine to beherein- Figure 6 represents a horizontal 'section Y isvbeing use'dvforcutting aehannel in a Sole an enlarged scale.

Similar characters already shaped, saidfview being Vdrawn to indicatelike e parts throughout the severalrfigures of the draw? ings.

' In thedrawings, 10 is the base of'ia-.frame 11, having bearings 12, inwhich is revolubly mounted ashaft 13 adapted. to be driven by a pulley14 loosely-mountedthereon.

- The shaft 13 has secured thereto the lCam disk l-and the eccentrics 16and 17. This shaft 13 has also secured thereto a HyV wheel 18.

The pulley 14 isv providedwith a hub 19, :1;5

having' alflange 20 thereon, with which: Coacts the pins 21 secured inthe forked end of a lever-22 `mounted upon Va fulcrum pin 23,1Said lever22 ha-vinganarni 24 extending; therefrom, the outerend `of which isconnected' by means Offarod25 to a suitable treadlemechanism, whichmaybe ofgainyY wellY known Vconstruction and. consequently is n'otshownin the drawings.

.WN/Then ,the treadle mechanism is operated to depress the armVY 24,*thelever V22 will ,Cause the pulley 14 to be move-df into a 4frictionalengagementjwith.- the flyfvvheel 18,'inthis Y* Y manner effectingtherotation of -thef'shaft135.` Y.

As soon aslthe pressureis released fromV the f;

treadle mechanism, the' pulley 14 Will-,move Y itself fromthe flywheel18.

'outwardlyffon theshaft 13'- and ldisengage outer end of a bracket 26secured to a column 27, to. the upper end of which the base 10 issecured. i

The tram`e11 has extending VtherefromV a pin 28 on which is mounted thelever 29, the lower end of which is provided with a roll 30,v bearingaga-inst the cam 15. This lever 30 is provided with a downward extension31 between which Yand the pin 32 on the base 10 is a spring 33 whichretains the roll e 30 in contact with the periphery of the cam 15 at alltimes.

The upper end of the lever 29 is with a bearing 34 in which is mounted ashank 35, theupper end otl which isV forked as shown at 36 in Figure 1of the drawings. Between the forked end 36 and the upper end of thebearing 34 is a spring 37,V which forces the forked end Y36 upwardly.Piv oted to the lever 29 at 38 is a lever 39 having'tormed therein aslot 40, intowhich extends a'pin 41 Vsecured tov and extendingoutwardlyfrom the shank 35. VBy means ot this lever 39the shank 35 andthe 'forked upperpend 36 ,thereof may he moved downwardly in theybearing 34 against the tension ofi/the spring 337. This movement isper- `termed when it is desired to insert new work to beoperated upon,`and as soon as the new work is vproperly positioned. the pressure upon`the lever 39 is released and the spring` 37 moves the work upwardlyagainst the member 42.

yThis member 42 is slidably mounted upon the plate 43. secured toor'iormed integral Y withthe upper lend of the frame 11, 4saidVvteedingp 4member '54,' tnesai'd Vpres-:ser

Awise' ojfathe plate 43, and

plate 43 extending into a groove in the under face ofthe member 42 andforming a guide therefor.V` This slid'able member is provided on oneside with fa slot 44. in which is positioned' a lever 45 pivoted to thetrame 11 means Aota lixe'd pivot"46,'and having at its upper end anoperating handle 47.

lThe wallsoic the slot 44 are curved and bear against theedges of theVlever 45 so that when'. the operator ac-tuates the handle the member. 42maybe adjusted length- A i secured in an adjusted 'position by means ofthe clampboltY 50'"extendingr through a slot 51 in the slidable member42. 5 e front end vofthe slida-ble vmember 42 has an opening@extendingtherethrough'. in which is positionedV the operating-end ofthe presser feot' or l work-ieeding member 54. i The reanendof thepresserfoot 54V extendsithrough a, transverse slotin theuppei end `4 olia rodv'i'and is clamped in position therein by means- (ifa nut'561 "{Byreleasin this-*nut 56 `tropacontact with the work! 'foot endwise intheslot and the member 455 in itsA ad- 54"may Vbe moved Vagain clamped tojusted position:v relatively thereto.

provided The lower` end of the rod is secured vin a housing S'Qhaving aeylindericalopen ing' therethrough, fitted to the eccentric 17.

TWhen the shaft 13 is rotated, the rotation of the eccentric 17 willcause the rod 55 to be raised and lowered, and also tilted about theaxis of the ulcrum pin 58. As a consequence oi' this movement, theoperatingvv end oi? the work-feeding'. member, or presser foot, 54. willbebroughtinto con-` a-ct with the work and impinge ther-ecru and thenmove the work a slight distance bel-ore Ysaid operating end oi" saidpresser ili'ooty is again'raised-from contact with said workfto returntoits normal' position;

vThe frontA end of the plate 43 has secured thereto a welt gage 60 bymeans' of a screw 6l. Beneath the gage 6() is 'the chisel 62. The chisel62 is secured by means ot a screw 63, or some other device,'to avertical rod 64 mounted in a bearing 65 in the frame 11. and 'having itsVlower end clamped to`a split member 66 b v means ot the screw 67.

This member V66 extends through a bearing 63 in a member 6th the` lowerend of which is provided with a'cylindrical opening" therethrough toreceive the eccentric 16-` V"As the shatt'13 rotates',

the revolution of -V the eccentric 16 vwill Acause the chisel sup-'porting member 64 tov be reciprocated' in itsbearmg65. lWhen'in theextreme of its uppermovement7 the edge of the chisel 62 ,is embeddedslight ly in'the lower face ot the welt gageY 60,;which is made ofbronze or some similar sott material so as not to iniure thecuttmg edgeof said chisel.

The front end ofthe welt .gage 60 extends beyond'rthe sides of the plate43 and is vindicated at 7() to permit *Y roviding; means whereby saidblock-V tilted tov accommodate itself to lThev tiltingot the blockeominginto contact with the upper"Y i face ot-fthen'forked.` vport-ion36. *whilezthe movement in fthe opposite `direction isf limited by'.4means otr. downwardly extending pin13 eomingi, 1nt o contact with therear 'tacefroiisaidforked portion=36.

neling knife 74 is bevelled and coacts with' a berelled pait of anadjustable pin 75, ex-

lli)

tending from the rear of the block 71 beyond the front face thereof, andhaving :1. clamping nut 76 threaded to the projecting en d thereof. Byturning the nut 76 the channeling knife 74 may be clamped in' anydesiredv position. By loosening the nut, the channeling knift may beadjusted to give `varying degrees of'cut during the formation of thechannel. Y i y The upper end 'of the block 71 is cut away below theoperating end of the channeling knife 74 so that when it is' desired touse the machine for rough rounding without forming a channel,- thechanneling knife may be moved down below the upper face of the block sothat no cutting operation will he performed. This cut awayportionbeneath the operating part of the channeling knife .also providesauneans for taking care of the chipsk formed during the cutting of thechannel. l

The shank 36 has a-longitudinal slot 77 cut in its lower end, throughwhich extends the lever 39. This construction provides a means forpreventing the rotation of the shank 80 within its bearing 34. I

In the frame 11is mounted a shaft78 having an operating handle 79secured toone end thereof. The opposite end of this shaft 78 has aprojecting lug"80 radiating therefrom. This lug 80 extendsY into anVannular groove 81 inthe rear end of the pin 28, on which the lever 29is mounted.

By actuating the handle ,'79 this pin 28 and all of the parts supportedthereon may be moved lengthwise of the axis. of said pin 28 into anydesired position. vThisconstruction provides a ,means whereby the`position of the operating endv of the channeling knife may be adjustedlongitudinally relatively to theY welt gage and the chisel 62. v Y

The eccentrics 16 and 17 are so timed that in the operation of themachine the presseri foot 54 and chisel 62 are both at their highestpoint at the Ysaine time, and the cain'lfVV permit the cutting` totake-place at 'the i is so constructed as to operaion of the Vknife 74same time that the chisel`62 and the presser foot 54 are in theirhighest positions. VAs

a consequence ,ofjthis condition, the-*chiselV 62 will be in the workwhen the'knife v74" is cutting the .workv to'- forni ra channelthere in.kTherefore, the chisel 621 will holdthe substantially the work fromlateral movement, during the channel cutting operation.

'The various elements ,arev shownV in .this

position in the drawings with the cutting Vknife 74 about midwayv ofitsy stroke.Y

described, the. lmachineisf As'- thus far s ameas that shown in anotherVapplication, Ser. No. 527,344, filed January 6, 1922, by 'Otto T.Peterson, Leonard A,Popp, and'myse'lf, and on which .the invention shownand'rdescribed in the present application is .an improvement. Inoieratinthe machineA shown and deb scribed in the earlier applicationabove ifeferred to, difficulty was found in feeding the V work andalsoinholding the work against the edge gage, thisfdifiiculty being due`totL heavy spring 37 used.-

It was found desirableunder certain "cen-f. provide some Ymechanismwhich` ditions to would have thesame effect as a heavy spring nel andthe chisel is withdrawnY frointhe l while thechannel knife Vis cuttingthe chanwork and vwhich would have the effect'o'f y a much lighterSpring under all other conditions. v Y f To` obtain this object,the'fol'lowingmechanism has been addedto theiorigiiial ma chine, andthis mechanism' is Vthev subject by the presentapplication; 1 e cam.A 15has secured tojitsfrear :face

a cam 105, or the two cams 15:,V 105 maybe The cam v` coacts with ayroller 106 rotatable upon-,a in the free endfjof. lever ichrlispivotally` pivot pin 110 extending through the 'lower' vend of the bar111 to the upper end of which Vmatter of the invention sought to becovered is secured a horizontalV plate 1,12 havingan opening therein,through which extends theY shank 35 of the forked member36.

The spring 37 rests upon this plate 112,

and not uponthe upper-end of the bearing 34 as in the 527,344..

A much lighter spring37 maybe Aused 15. j'

shown and described Vp .Y

with this construction with the construction in the earlierapplication.-

than "could be used other application,V Ser..fNo.

The shaft y18 rotates inthedirectionof the arrow Va on Figure 1 ofthe,drawings,'5Av

eccentrics 16 and 17 rotatieV thereg-VL with, thepresser -footf54-andVVchisel Y62 willV y i and as the immediately commence to move downwardlyas these eccentrics 16 and17srotatejfrointhe 'Y the drawings,;wh-ile Y Y.125

positions indicated 'in the knife 74 Y*will -iirst `complete the 'ot-igehalf ofits .cutting YStrol eA stationary untilY theV vpoint reaches Ytheroller -30, and,

i'Y and then. ,reniainY V83 ofthe cain r at thistime the,

*knlife 74 will be moved to the left of Fig'.

`than the eccentric 17: owing to the l, preparatory to a new cuttingstroke which commences when the point 84 on the cam. l5 reaches theroller 30. s

The eccentric 16 has a greater 'throw i thickness of the ivork, and as aconsequence the presser foot the Work preparatory to feeding just beforethe chisel has left the work, and this Work will then be fed apredetermined distance before the chisel on its return stroke againenters the work. v

The presser foot 54. having coi'npleted this feeding operation, vwillagain be lifted from the Work. The chisel 62 will be .forceil through anew part of the iror and the channeling knife 74 will cut a new part ofthe channel inthe sole.

t will be seenfthat by the construction herein shown and described, thestroke of the knife 74 is divided on opposite sides ot'- center lineperpendicular to the tace 'of the sole being cut, thereby `producing aclean-cutichannel. This obviously is a great advantage. y

4On the return stroke of the cutting kni'ie 7 4:, the presser foot 54 isin Contact with the Work which is gripped between said presser VLie ofthe spring V137.

foot 54 and theknife 741:` and in this manner the Work is positively fedya predetermined distance i preparatory to another cutting Byconstructing the machine as herein shown and described, i-t-is ypossibleto cutv the channel in the Work `even when theV 'chisel 62 is not in theWork, asy for instance,

when the channel is to be cut close to the edge of the sole randconsequentlythe edge of said sole Will not extend outwardly a sufficientdistance to chisel; I A Y As shown 'in the drawings, When the chan#neling yknifeis cutting the channel the roller-'106 is on the high pointof the cani 105, thereby causing the plate 112 to hein` raised positionand increasing This increased tension oit' the spring 37 continuesduring the cuttingV of the, channel and the. Withdrawal 'of Work.-VV YBy the time these operations are conv pleted'the high point of 'the cam105' has passed" from beneath the roller 10th per.-

A initting the plate i12 to move downwardly onto the upperjface of thebearing 34.

VThe tension ofthe spring Will be greatly reduced 'When permitted toexpand by the downward. mov i ent. of the plate ll'B, but the tension wfVstill be sufficient to force upwardly the torked member 36, against theWork to be operated upon. Y

Y Qvvingto the reduction in the tension of will come into contact withbe acted upon by said' the tension the chisel A frointl'ic lt will benoted that by means Yof the nei-v i mechanism herein described7 isheldtirmly against the Work when a hrm hold is desired, and at allVother times when suchftirm hold is unnecessary, alight con; tact 'isretained beti'veenV said block and `work. i

V This makes va Yery simple construction ofl machine for rofugh roundingsoles and cutting 'the channels therein, .which may be used for roughrounding alone or for rough rounding:andchanneling.V The machii'ieisalso adapted to rough round soles of new shoes during theprocess"ofconstruction, or old'fshoes d 1ring the process of rep-airing.Then completed'shoes are being operated upon'y the end of the'ineinberl2 ifuay beused as gage "While When the machine is'being used as aYrough rounder withoiu'v cutting a channel inthe sole the knife 7 4 ispreferably removed and the feeding inembei." 74X inserted in its place.The upper face of theY membery 7a* is preferably 'pr'ovided with aplurality of serrations as indicated in Fig. 7. With this mem ber 74X inuse, the presser foot l will force Vthe Workinto Contact with theserrations v85 andfeedthe W-orka predetermined disbearing against theupper.'

87for the pin 28 in the blochrr 7lv movement thereof in the oppositedirection islimited by the projecting lug 80 coming into c'ontactv-iththe opposite face of said bearing 87.

`When the ed to 'any desired position it may bey secured in. suchposition by Ymeans of lthe` clamp nut 88. Y

lt will be noted that the Vca'in l5 is so constructedas Vto provideaeuick cutting stroke? 'to theknife 74 anda very slow returnf to `normalposition.-

1t isbel'ieved -thatvthe operation 'and many 'adva'ntages of theinvention will' understood Without further description'.

'be readily iio fulci'um pin 28 has been adjust; l

iis

Having thus described Ymy "invention, Iy

claim.: s Y er Y Y 1 l. n a machin/enf the class describedfthecombination 'of a Welt gage; a Work support; a channelii'ig knifemounted therein;f a non-revolubleshank totsaid work Vsmpport;

al cam-'actuated rocker member' having a 2o revoluble shank to said beneath bearing at one end to receive said shank; a spring for forcing saidwork support toward said .Welt gage; and means foi' increasing thetension of said spring When the channeling knife is operating.

2. In a machine of the class described; the combination of a Welt gage;a Work support; a channeling knifemounted therein; a non-revoluble shankto said Work support; acam-ac'tuated rocker member having a bearing atone end to receive said shank; a spring for forcing said Work supporttoward said Welt gage; andlmeans for automatically increasing thetension of Vsaid spring When the channeling knife is op` erating. l l' gY 3. In a machine of the class described7 the combination of a Weltgage; a Work support; a channeling knife mounted therein; a non* A Workcam-actuated rocker member having a bearing at one end to receive saidshank; a spring for forcing said Work support toward said Welt gage; aplate surrounding said shank said spring; and camactuated mechanism formoving said plate and compressing said` springV when the channelingknife is operating. Y

4. In a machine of the class described, the combination of a Welt gage;a Work snpport; a channelingknife mounted therein; a non-revoluble shankto saidwork support; a cam-actuated rocker member having bearing at oneend to receive saidshank; a spring for forcing saidfrvorksiipport towardsaid Welt gage; a plate surrounding said shank beneath said spring; abar depending' therefrom; and cam mechanism for raising said bai-andplate.

5. In a machine of the class described, the combination V,0f a Weltgage; a work snpport; a channeling knife` mounted therein;V sup- 1 anon-revoluble shank to said Work n port; acamactuated rocker member`having a bearing at one end to receive said Vthe free end of whichis'pivotallyconnected Y to the lower end of said bar;`rand a cam forhaving a non-revoluble shank; a Achanneling Y from said plate;

support; a Y

Yknifefin said YWork support; a rocker mem- `cured to said shaft saidrollers.

shank; a spring for forcing said Work port toward said Welt l roundingsaid shank beneath said spring; a bar depen'ding therefrom; 4a pivotedlever moving said lever aboutits pivot.

6. In afdevice of theY cla'ssdescribed; the combination of a. Welt gage;a work support knife Vin said Worksupporqa rocker inember having akbearing at one end for saidk shank; a spring'surrounding said shankbetvfeen said bea-ring and worksupport; a plate beneath said spring; abar depending a lever Ypivoted. Yto `said rocker einher With its freeendpivotally ccnnectedA to the lowerendof said bar; a revoluble shaft; Vandcams thereon for actuating said rocker member and moving said leverabout its pivot. 'I h g V 7. In a device ofthe class described, thecombination of a iv'elt gage ;a Work support having a non-revolnbleshank; a channeling ber'having a bearing at one end'forr said shank; aspring surrounding said shank be-v tween said bearing and Work support;an

plate beneath said spring; a ba'r'dependingC from said plate; leverpivoted to said rocker member Withrits freeV endV pivotally connected tothe lovjver 'end of said bar; a

roller on the lower 'end ofV saidjrockei` mein? ber; a. roller on thefree vend of said lever; a revoluble shaft; land a separate cam 'se-ftol coactV with each of'` Signed Abyrrgine at 746V Old South Bldg., YBoston, Massgjthis 18th day of September, 1922. @gi

Witnesses: f g Y WALTER E. LOMBARD, NATHAN C. LOMBARD.

sup-f* 1 gage; a plate sur.-rv

. -f LAWRENCEE. JoHNsoN;

